Hierarchy of Self-Consistent Approximate Methods and the Parquet ...
Hierarchy of Self-Consistent Approximate Methods and the Parquet ...
Hierarchy of Self-Consistent Approximate Methods and the Parquet ...
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<strong>Hierarchy</strong> <strong>of</strong> self-consistent approximate methods<br />
1-particle<br />
2-particle<br />
F = 0<br />
F ≈ v<br />
Γ ≈ v<br />
Λ ≈ v<br />
re irre fully irre<br />
G T Σ<br />
S.D.<br />
χ F Γ Λ<br />
B.S.<br />
more localized<br />
<strong>Parquet</strong><br />
H-F<br />
SOPT<br />
RPA, TMA, FLEX<br />
<strong>Parquet</strong> Approximation<br />
Λ II ≈ Λ I,DCA/QMC<br />
Better approximation<br />
DCA/QMC+<strong>Parquet</strong><br />
MSMB<br />
<strong>Hierarchy</strong> <strong>of</strong> <strong>Self</strong>-<strong>Consistent</strong> <strong>Approximate</strong> <strong>Methods</strong> <strong>and</strong> <strong>the</strong> <strong>Parquet</strong> Formalism 32
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